Write these values in order, starting with the smallest.
The first one has been done for you.

0.15 1/10 12% 1/20
A. B. C. D.

[D] [ ] [ ] [ ]

9514 1404 393

  D B C A

Step-by-step explanation:

The decimal equivalents are ...

  A 0.15 = 0.15

  B 1/10 = 0.10

  C 12% = 0.12

  D 1/20 = 0.05

Least-to-greatest, the order is D B C A.

1gm = 1000mg so 0.1gm = 1000mg

first, convert the weight to kg

160lb * 1kg/2.2lb = 72.7kg

next, the dose

72.7kg * 100mg/kg = 7270mg

maximum area = xy = (16)(32) = 512 ft2

to maximize the area of the garden, the side of the fence parallel to the side of the house should be 32 ft long, and the other two sides should both have length 16 ft.'

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